So, we're back now with "Be a vet for your pet" and we're here with veterinarian Dr. Jeff Werber a spokesperson for Iams. Thanks for coming back. 50% of pets are actually overweight. Absolutely. Which is a lot of problem so Iams promos a healthy diet and exercise program are keys to keeping that pet healthy. Not just watching what they eat but also getting them to move and we have Reena and Sara from our audience who love bonding with their pets and show us a human exercise that incorporates your pooch. It's kind of like yoga and first we have the warrior pose and the idea here is just bonding with your pet. Great exercise for you and then we have the fan pose and the idea, keep the pet facing you. Shouldn't they be doing downward dog. And though this is great for you and the bonding we need to get -- we need to get those pets exercising and get the heart rate going. They're not moving much. So what do we have over here. This is something you can do indoors great for the cold weather and you can build your own agility course so here we're training a puppy, he's getting a treat because dogs don't work for free and there we go. Look how perfect that is. Getting them to move. What about going outside and throwing the old ball. That's great but in cold weather people are looking for excuses not to go outside. Here's something to do in-house. Get creative. We aren't only about the dogs but the cats too. Furry friends. I need this baby. Getting cats to exercise is a real challenge. You are to be creative. It's very simple. Here is one thing they love. The feather on a stick. Cats love to chase things. I love it too. And if you don't like that you can have a little mouse. This is a snackie mouse. Basically what it is, the treats are inside the mouse with a hole here. As they're chasing this thing, treats fall out and the cats -- this is fantastic. This is cloud. How gorgeous is cloud? All of these guys are adoptable. They can all be adopted through the aspca center right here in New York City. Some great dogs and cats. We'd love for you to have them. Think about getting your guy moving. It's really important. My cats love the laser light. Here with the tower, running and jumping. Get your vets moving and

This transcript has been automatically generated and may not be 100% accurate.

Veterinarian Dr. Jeff Werber appears live on "GMA" to discuss how to keep your pet's diet well balanced.

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